Numbers 9:14
And if a stranger shall sojourn among you, and will keep the passover unto the LORD; according to the ordinance of the passover, and according to the manner thereof, so shall he do: ye shall have one ordinance, both for the stranger, and for him that was born in the land.
Numbers 15:14
And if a stranger sojourn with you, or whosoever be among you in your generations, and will offer an offering made by fire, of a sweet savor unto the LORD; as ye do, so he shall do.